Climate - Antsiranana (Madagascar)

The climate of Antsiranana is tropical, hot all year round, with a relatively cool, dry period from June to August and a hot, rainy period from November to March.
The city (called Diego-Suarez until 1975) is located in the extreme north of Madagascar, on a stretch of coast overlooking a bay.

The average temperature of the coldest month (July) is of 24.6 °C (76.3 °F), that of the warmest month (December) is of 27.8 °C (82.1 °F). Here are the average temperatures.
Precipitation amounts to 1195 millimeters (47 inches) per year: it is therefore quite abundant. It ranges from 10 mm (0.4 in) in the driest month (September) to 340 mm (13.4 in) in the wettest one (January). Here is the average precipitation.
The sea temperature ranges from 25 °C (25 °F) in August, September to 29 °C (29 °F) in February, March. Here are the average sea temperatures.
On average, there are around 3040 sunshine hours per year. Here are the average sunshine hours per day.

Antsiranana - Weather by month

Based on the period 1991-2020
(January - February - March - April - May - June - July - August - September - October - November - December)

In January, the average temperature is of 27.3 °C (81 °F), with a minimum of 23 °C (73.4 °F) and a maximum of 31.5 °C (88.7 °F).
On the coldest nights of the month, the temperature usually drops to around 21 °C (69.5 °F).
On the warmest days of the month, the temperature usually reaches around 34 °C (92.5 °F).
Precipitation amounts to 340 mm (13.4 in), distributed over 16 days.
On average, there are 190 hours of sunshine per month, i.e. 6 hours per day.
The average humidity is 78%.
The average wind speed is 10 kph (6 kph).
The average sea temperature is of 28.5 °C (83.5 °F).

In February, the average temperature is of 27.1 °C (81 °F), with a minimum of 22.9 °C (73.2 °F) and a maximum of 31.2 °C (88.2 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (69 °F).
On the warmest days of the month, the temperature usually reaches around 33 °C (91.5 °F).
Precipitation amounts to 305 mm (12 in), distributed over 15 days.
On average, there are 170 hours of sunshine per month, i.e. 6 hours per day.
The average humidity is 81%.
The average wind speed is 8 kph (5 kph).
The average sea temperature is of 29 °C (84 °F).

In March, the average temperature is of 27.3 °C (81 °F), with a minimum of 22.9 °C (73.2 °F) and a maximum of 31.6 °C (88.9 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (68 °F).
On the warmest days of the month, the temperature usually reaches around 33 °C (91.5 °F).
Precipitation amounts to 180 mm (7.1 in), distributed over 12 days.
On average, there are 215 hours of sunshine per month, i.e. 7 hours per day.
The average humidity is 78%.
The average wind speed is 10 kph (6 kph).
The average sea temperature is of 29 °C (84 °F).

In April, the average temperature is of 27.3 °C (81 °F), with a minimum of 22.6 °C (72.8 °F) and a maximum of 31.9 °C (89.5 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (67.5 °F).
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92 °F).
Precipitation amounts to 50 mm (2 in), distributed over 6 days.
On average, there are 255 hours of sunshine per month, i.e. 8.5 hours per day.
The average humidity is 72%.
The average wind speed is 15 kph (10 kph).
The average sea temperature is of 28.5 °C (83.5 °F).

In May, the average temperature is of 26.6 °C (80 °F), with a minimum of 21.7 °C (71.1 °F) and a maximum of 31.4 °C (88.5 °F).
On the coldest nights of the month, the temperature usually drops to around 18 °C (64.5 °F).
On the warmest days of the month, the temperature usually reaches around 32.5 °C (91 °F).
Precipitation amounts to 15 mm (0.6 in), distributed over 4 days.
On average, there are 285 hours of sunshine per month, i.e. 9 hours per day.
The average humidity is 67%.
The average wind speed is 20 kph (13 kph).
The average sea temperature is of 28 °C (82 °F).

In June, the average temperature is of 25.3 °C (78 °F), with a minimum of 20.3 °C (68.5 °F) and a maximum of 30.3 °C (86.6 °F).
On the coldest nights of the month, the temperature usually drops to around 17 °C (62.5 °F).
On the warmest days of the month, the temperature usually reaches around 32 °C (90 °F).
Precipitation amounts to 20 mm (0.8 in), distributed over 3 days.
On average, there are 255 hours of sunshine per month, i.e. 8.5 hours per day.
The average humidity is 63%.
The average wind speed is 22 kph (14 kph).
The average sea temperature is of 26.5 °C (79.5 °F).

In July, the coldest month of the year, the average temperature is of 24.6 °C (76 °F), with a minimum of 19.5 °C (67.2 °F) and a maximum of 29.7 °C (85.4 °F).
On the coldest nights of the month, the temperature usually drops to around 16 °C (60.5 °F).
On the warmest days of the month, the temperature usually reaches around 31 °C (88 °F).
Precipitation amounts to 20 mm (0.8 in), distributed over 4 days.
On average, there are 275 hours of sunshine per month, i.e. 9 hours per day.
The average humidity is 61%.
The average wind speed is 27 kph (17 kph).
The average sea temperature is of 25.5 °C (77.5 °F).

In August, the average temperature is of 24.8 °C (77 °F), with a minimum of 19.6 °C (67.4 °F) and a maximum of 29.9 °C (85.8 °F).
On the coldest nights of the month, the temperature usually drops to around 16.5 °C (62 °F).
On the warmest days of the month, the temperature usually reaches around 31.5 °C (88.5 °F).
Precipitation amounts to 20 mm (0.8 in), distributed over 4 days.
On average, there are 285 hours of sunshine per month, i.e. 9 hours per day.
The average humidity is 60%.
The average wind speed is 27 kph (17 kph).
The average sea temperature is of 25 °C (77 °F).

In September, the average temperature is of 25.3 °C (78 °F), with a minimum of 20.1 °C (68.2 °F) and a maximum of 30.4 °C (86.8 °F).
On the coldest nights of the month, the temperature usually drops to around 17.5 °C (63.5 °F).
On the warmest days of the month, the temperature usually reaches around 32 °C (89.5 °F).
Precipitation amounts to 10 mm (0.4 in), distributed over 2 days.
On average, there are 295 hours of sunshine per month, i.e. 10 hours per day.
The average humidity is 60%.
The average wind speed is 29 kph (18 kph).
The average sea temperature is of 25 °C (77.5 °F).

In October, the average temperature is of 26.5 °C (80 °F), with a minimum of 21.2 °C (70.2 °F) and a maximum of 31.7 °C (89 °F).
On the coldest nights of the month, the temperature usually drops to around 18.5 °C (65.5 °F).
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92.5 °F).
Precipitation amounts to 15 mm (0.6 in), distributed over 3 days.
On average, there are 305 hours of sunshine per month, i.e. 10 hours per day.
The average humidity is 63%.
The average wind speed is 24 kph (15 kph).
The average sea temperature is of 26 °C (78.5 °F).

In November, the average temperature is of 27.4 °C (81 °F), with a minimum of 22.4 °C (72.3 °F) and a maximum of 32.5 °C (90.5 °F).
On the coldest nights of the month, the temperature usually drops to around 19.5 °C (67.5 °F).
On the warmest days of the month, the temperature usually reaches around 34 °C (93.5 °F).
Precipitation amounts to 55 mm (2.2 in), distributed over 5 days.
On average, there are 280 hours of sunshine per month, i.e. 9.5 hours per day.
The average humidity is 65%.
The average wind speed is 22 kph (14 kph).
The average sea temperature is of 27 °C (80.5 °F).

In December, the average temperature is of 27.8 °C (82 °F), with a minimum of 23 °C (73.4 °F) and a maximum of 32.6 °C (90.7 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (68 °F).
On the warmest days of the month, the temperature usually reaches around 34.5 °C (94 °F).
Precipitation amounts to 170 mm (6.7 in), distributed over 10 days.
On average, there are 230 hours of sunshine per month, i.e. 7.5 hours per day.
The average humidity is 71%.
The average wind speed is 13 kph (8 kph).
The average sea temperature is of 28 °C (83 °F).